If you use Google Notebook, you'll find a new link at the top of search results pages: "My notebooks". For many of us Google Notebook might be new.So the my notebooks icon might not be appearing on their search result pages.
Google Notebook as the name suggests is used for adding notes for a website.Google Notebooks have an extension which can be used for adding notes from any website.
If you haven't installed that plugin, its available from here
For those users who do not have plugins will see a simple Note This Snippet in the end line of the website description.
Ashwini Khare -